121845846322379 has 2 divisors, whose sum is σ = 121845846322380. Its totient is φ = 121845846322378.

The previous prime is 121845846322367. The next prime is 121845846322411. The reversal of 121845846322379 is 973223648548121.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121845846322379 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (121845846327379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60922923161189 + 60922923161190.

It is an arithmetic number, because the mean of its divisors is an integer number (60922923161190).

Almost surely, 2^{121845846322379} is an apocalyptic number.

121845846322379 is a deficient number, since it is larger than the sum of its proper divisors (1).

121845846322379 is an equidigital number, since it uses as much as digits as its factorization.

121845846322379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 139345920, while the sum is 65.

The spelling of 121845846322379 in words is "one hundred twenty-one trillion, eight hundred forty-five billion, eight hundred forty-six million, three hundred twenty-two thousand, three hundred seventy-nine".